Cash flow: where profit goes to tell the truth

There's an old line in finance that's worth more than most textbooks: profit is an opinion, cash is a fact. Profit, as we saw, depends on judgements — when a sale is recognised, how fast an asset is depreciated, what counts as a one-off. Cash depends on nothing. Either the money is in the bank on the 31st of March or it isn't. The cash-flow statement is the third financial statement, the auditor of the other two, and the one that experienced investors read first when they smell something off.

Here's the punchline up front: a company can report rising profits for years while bleeding cash, and the income statement will never tell you. The cash-flow statement is designed to catch exactly that — it strips away every accrual and judgement and asks one brutal question: over this year, did real money come in, or go out?

The three buckets of cash

The statement sorts every rupee that moved into three buckets, and the mix between them tells you what kind of company you're holding.

1. 1Cash from operations (CFO) — cash generated by the actual business of selling things. Customers paying, suppliers being paid, salaries going out. This is the engine. A healthy company's CFO is reliably positive and grows over time.
2. 2Cash from investing (CFI) — cash spent on or received from long-term assets: buying machinery and factories (called capex), acquiring companies, or selling a division. For a growing company this is usually negative, because it's reinvesting to grow — and that's fine, even good.
3. 3Cash from financing (CFF) — cash from dealing with owners and lenders: raising debt, repaying debt, issuing shares, paying dividends. This tells you whether the company is funding itself or being funded.

Why profit and cash drift apart

The gap between reported profit and actual operating cash is the single most useful diagnostic in fundamental analysis, so it's worth understanding exactly why the two diverge. There are honest reasons and dishonest ones, and your job is to tell them apart.

The biggest wedge is working capital — the same villain from the last chapter, now seen from the cash side. When a company books a ₹40-crore credit sale, profit goes up ₹40 crore but cash goes up zero; the ₹40 crore sits in receivables, money owed but not paid. When it stocks up on raw material it hasn't yet sold, cash leaves the building but profit is untouched; the money is frozen in inventory. So a company growing fast on credit, piling up stock, can show fat profits while its operating cash flow is thin or negative.

The other big wedge is depreciation. When a company buys a ₹100-crore machine, the cash leaves immediately (it shows up in investing, as capex). But on the income statement that cost is spread over the machine's life — say ₹10 crore a year for ten years. So depreciation is an expense that reduces profit but involves no cash going out this year. The cash-flow statement adds it back. This is why a capital-heavy company (steel, telecom, power) can report modest profit while generating far more cash than profit — and why a software firm with little depreciation has profit and cash that track closely.

Free cash flow: the number that's actually yours

Operating cash flow is great, but a factory has to keep buying machines just to stay in business. The number that matters to an owner is what's left after the company has spent what it must to keep running and growing. That's free cash flow (FCF): operating cash flow minus capital expenditure.

Free cash flow = cash from operations − capital expenditure

FCF is the genuinely discretionary cash — the money the company can use to pay dividends, buy back shares, repay debt, or stockpile for the future, without shrinking the business. A company that consistently generates strong free cash flow is one that doesn't need the market's permission to survive. It funds itself. Over a long enough horizon, FCF per share is the truest measure of what you own, and it's far harder to manipulate than reported earnings — which is precisely why serious investors lean on it.

How receivables and inventory hide trouble

Let's make the danger concrete, because this is where companies in trouble hide it longest. Two warning signs deserve a permanent place in your checklist.

First, receivables growing faster than revenue. If sales rise 15% but money-owed-by-customers rises 40%, the company is booking sales it isn't collecting — perhaps selling to weaker customers, perhaps stuffing the channel with goods distributors can't actually sell, perhaps recognising revenue too aggressively. The profit is real on paper and increasingly fictional in cash.

Second, inventory growing faster than sales. If stock is piling up faster than the company is selling, either demand is falling and management is in denial, or the inventory is becoming obsolete and will have to be written off later. Either way, cash is frozen in a warehouse and a future hit to profit is being deferred.

Cash conversion: how fast money comes home

The final idea ties it together: the cash conversion cycle — how many days it takes for a rupee spent on inventory to come back as a rupee collected from a customer. Roughly, it's the days inventory sits on the shelf, plus the days customers take to pay, minus the days the company takes to pay its own suppliers. A short cycle (a supermarket: sells in days, pays suppliers later) means cash returns fast and growth is self-funding. A long cycle (an infrastructure builder waiting months on government payments) means cash is perpetually tied up, and the company needs external funding just to grow.

Put the three statements together and a clean picture emerges. The income statement claims the company made money. The balance sheet shows what it owns and owes. The cash-flow statement audits both — it's where you find out whether the profit was real, whether the assets are turning into cash, and whether the business can fund its own life. An owner who reads only one statement is reading a press release. An owner who reads all three is reading the company.